一いち度ども

い

ち

ど

も

Meanings

1

(not) even once; (not) ever

Always used with a negative verb to mean 'not even once' or 'never'. Emphasizes that something has not happened at all.

この映えい画がは一いち度ども見みたことがありません。

I have never seen this movie, not even once.

決けっしてN4
決して~ない expresses a strong, determined negation ('never, absolutely not'), while 一度も~ない specifically stresses that an occurrence count is zero.

何なん度どもN2
何度も means 'many times' and pairs with positive verbs, the opposite of 一度も which pairs with negatives to mean 'not even once'.

一いち度どN5
一度 means 'once' and is used in positive sentences, while 一度も requires a negative verb and means 'not even once'.

一いち度ども
Standard kanji spelling.
１いち度ども
Numeral variant, sometimes seen in informal or space-constrained writing.

Combination of 一度 (ichido, 'once') and the inclusive particle も (mo), used with a negative predicate to express 'not even once'.